Gracen learned something new yesterday in class. She had always thought that adults could not grow new brain cells. However, her instructor described research on the limbic system that has discovered that the is one of the few places in the brain known to produce new neurons throughout life.

Hippocampus

Explanation:

Hippocampus -

It refers to as a structure present deep in the temporal lobe , is referred to as the hippocampus .

The Hippocampus in involved in the process of thinking , memory and learning .

The main function of Hippocampus is to release neurons during the complete life cycle of the living orgnaism .

Hence , from the gievn scenario of the question ,

The correct answer is Hippocampus .  

its b i googled it wish u luck